. >>> reporter: president obama announced his picks for the next heads of the pentagon and the cia. now they need congressional approval before they can get to work. >> we need to get moving quickly on this. >> reporter: senator chuck hagel is the nominee for secretary of defense. a former enlisted man and vietnam vet, the president says hagel can relate personally to america's troops. >> to this day, chuck bears the scars and the shrapnel from battles he fought in our name. >> reporter: but winning confirmation won't be easy. some of hagel's former senate colleagues call him hostile toward israel and soft on iran. >> i'm waiting for an explanation. i want him to make the case as to why he should be the secretary of defense. >> reporter: confirmation hearings here on capitol hill are expected to be easier for another nominee, john brennan, the president's pick to head the cia. still, looking at his 25 years at the spy agency, some object to the brennan pick. >> if you tuned in here, obama, listen to what i'm about to say. >> reporter: a small group protested the brennan choice monda